{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0x535aa415b1760d239842ccef96ceaf665d916d9ae38e8c79888bb73f8a2f010e",
    "signature": "0x2404673b0205cc4bc8cf79993ef083c7daa79e79a67e3863e2d663115094a3ef1b57644c99763ad1651a25b66153e9102fb029f0ee57151b76906d9237082ff11c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}