{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138746",
    "entityType": "User",
    "nonce": "0x4b9592d1aaa61975b08c8458283f1021c48274398d50dbd5706ef9d146a7ee0a",
    "signature": "0xc0738f1b58f605c6b51dfa26b8fd468c752c68633a9241edcd6579ea40274bdb6705bf84b91c746e1eb53546c7439c6ccdda2385797a155d330a7b415c60571b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}