{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6c3de6e11ace506c9517f564274216351978e3f34bb3959a515b658bf32cb87f",
    "signature": "0xc7371940a475da26e532bddde83dad3484f1718887b209633f89045eae8d0236691e4007b66e8c70c382c55433a0719d3a245c0ace6961dc9136caf7937df3e81b",
    "signer": "0x8cF7053DF6aB6d8Ba9d6eB6FfaC2e94e61bA0081",
    "userId": "786659341"
  }
}