{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0xd5340e78fdc4786430742d9c028214c85ee864c93f206c386787cff82e7fd0f1",
    "signature": "0x4e27a20bd9ebf32ead7284ea5cdf5f8c21b5394fa315af3135fcc558594d6d8245ef7b0443859a5a5fe90ba1664f7400750c05f829120cffd880259442c4fbaa1b",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}