{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x47860b5d2316dd9dc46288cece257e4ee151dced042479a710434cffc6981653",
    "signature": "0x0faf9aba68c5c71e1aa1efe53d1e93e148f23566d5dd70ec3baef77a9a8d9c40655d1c968c8572ee8bd310a20b60e2625d5ca835f5c3cf98d061dca97f10e75f1c",
    "signer": "0x1cBc319335e478eb23e1eaC12B34FD7f4b46B892",
    "userId": "770514815"
  }
}