{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x503fec86ed57395a5d49f48aabbf2b194796f44b9e306b1081dd43bb58740e5f",
    "signature": "0xb6de464b78aeecf656727a179124b211194ca617776ec681e902f10ed93a1f717372ce83605ebdeab4b53bb56fef483a14f047a314944e3860d175f9564423671b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}