{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae4551b2b7cb3b783a186d04bf602747ab7fe01ff03673b3c28441b4cf7609f8",
    "signature": "0x72b77b28bc9bd04fef1132bca62522dfac5de1a7c5d800995569c01a8ece284a71be53e3582cb576b448c77e584d8903d4a7f2367eaafd898d24860d56c885261c",
    "signer": "0x6FFe1439635739f39c45fcfBB06829c5E9D8e5aC",
    "userId": "792741418"
  }
}