{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x76ff6d84e356436040d435f43bf00128431c22fd5d7b3a06e34a20cab98e5620",
    "signature": "0x5622d7a7be80bd970b5d108df6d577bb7f3a05c6390848b49499d3dd70bf59e525aac90c894eec834695c6c865f7d5819fd2675e4ccc713aad326c9992fe9d4f1b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}