{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xe72042f18b28844333dba48cd85b9e4d5e1c9897ec0772dfe08edaca63637ffe",
    "signature": "0xcaaad500aadc7e6a6b4dd45b9b416e78f4eadf8ebc7b1866274cb2de59dbdfd4577dbb85a709d5f615c771edc1c486a06a911addc829592b014af3be28ac3b801b",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}