{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfc8bc75be917bc1ee6b7e647f11998134764b84ea3277052c8d72e16b310579",
    "signature": "0x07e94550024009edec1edc67c5c8bf5ddea5c906bda981709022272aa8da7601286067190e8dd9aad0246354f4f23065a74638add495cda974a9aadf97052ce41b",
    "signer": "0x09c34bd0C6a3aDc12D85AFAAE28fB02E5DDE770d",
    "userId": "735720383"
  }
}