{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x476f9d67ef5c882b89854890fba6644b6a054c707d3a1f405e20bc36080e14e7",
    "signature": "0xd68e259c393f5914381f0e4800b362781a1c9c1fb2955cce6d7c244aea50bd4e2a00653cda1799d1dff9c75e7fc4801f093527f9022b7a916f04daf4887251631c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}