{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x409e871851abba186d8e405106c76528ad159e2a5f6801148807ff7f64ad08a9",
    "signature": "0x7dbd4bbc96a8066b7d5c79180ae8296c076f604f5dceeffe1ddb9bc440a608df5ae0ae458808a04427571097584b3e387d6ab3096cfb6d772b0bd5866362dc0f1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}