{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82301",
    "entityType": "User",
    "nonce": "0xb5bbf1d05754e825890954f5df15fb707e7a750c6a86c749d514770083d63630",
    "signature": "0x8a67e4c4136f1e58bc2dbfa3db4192b29439bb156a0bfffdaca915cffd257c3a708533064e51d0b8144982dc4b47f5ff02ec02af4b8c9c572a4fb910e05e01781b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}