{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951616316",
    "entityType": "User",
    "nonce": "0xef202f3e6714b1a570cf4aaa895cd3705fe7d39c09259677770714abf915da48",
    "signature": "0xb2cc2d3dc0d742f58c5be8fb29f2e59a88e737205b82d939588b5ee2c267c59e2deb611b537a2bde996fe6899cea0c4b41c755013c37c4b7b0812d4224b183c11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}