{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xd73d9ed99518fe0432d1fae2bc2e0e2ba124aa306ed6e787512e75a010bf4842",
    "signature": "0x914d0511c1f2815b545cd62abcd9a68a515b11068d9a859351e20e9f84c23bd40c678c33aa10b19a6412ede1c47fecf62a74b807a99d327c8c322522745fc2ab1b",
    "signer": "0xD21192e92319319249f3df55efE06b0809861c8f",
    "userId": "924892254"
  }
}