{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x3712d8b7af1f65c71bf6c7c4be8bf18c04bbcfa632b6c3b02f4ce82535ac9531",
    "signature": "0xf7d85931894d06bf115695abf6ea1ec7c51685b717f5acb1442a0f2aef8998f253b9ce5588a56c9c5f3cb70d0c1e63e9fde3cb33c93b42061a4478a250c134181b",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}