{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79aeca840103192a84cc3ee664e6f30ccf4e95e0600c8f9483557a701c595d58",
    "signature": "0x9859737d3e333c7a4421afe46715e188887a7d3a6d497781075763db1be94c315bc5fc3b191edd6d962edf8c601c4e567eb7673c02922f9b499b784b08da37571b",
    "signer": "0x893f27cC599C8EF276aD52F8Cd0F780883C6e827",
    "userId": "590068580"
  }
}