{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb1a039f93bd06a4d247214160ab4dd0c05f6e8f62ab5fd7d4b61f510b3b873ec",
    "signature": "0x3324db22186aedb85ff3e83e996ba014d1e03f5043ba88d0635bad7b6cc7760c554e70f5a187793acc26ab080b7db6a58ec084aad2ec5e6993b80b6e2e964d961b",
    "signer": "0xEE0753Ff65a4724e245bdC224Dd01EAF6CC27DF2",
    "userId": "802811053"
  }
}