{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1487440",
    "entityType": "User",
    "nonce": "0xe076ca1fe57ac5a09a13d76b27e2cf680dd362ff4a9372461cb2b8bf70025b62",
    "signature": "0x4157995189fc82619676d8d5ca1447b34a7d32cf63ce638b9c803d5666df550e2b73cc5c41f78500dc35d6837092bdd5759b35147749dfad7369b47ab34660aa1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}