{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "415339949",
    "entityType": "User",
    "nonce": "0x86fd77c062958f51f525a6e53ae4e7cd2d3b40cb7b309c28186e933d0d091d16",
    "signature": "0xb322b2c52ea61f40fda97efb52163e0a7d8bb34c98d3b42f13aac368f815da37363d584adc1eb1385004db344c799a2d91ccd5dbf9224e44f2a548d12833aea51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}