{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63949",
    "entityType": "User",
    "nonce": "0xabf8a51bb609839b6734112b433931d938cabdab7d4f30a47b55fa60a4cf6c2a",
    "signature": "0x368abe87a8867083331794dfaaeaf2a42a734586a01dfd143f490e81bb3ea4774b3dd9a5663ddb543ab2878c674ef8f6321976d72425a8231337218f150ae9701c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}