{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x9ac1ac459a98fa17b7a8b4e8566cda7169311945c74cf9f22b282561045281f9",
    "signature": "0x51c68e12de7cb1fcc591d9873c78f3c0ffe8d921f9e5e25d133e0c3cebd3af2358c76be1b5437df478a0125bd6ae3c805e05290a4c94bafbb2ebd984a139eb621b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}