{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf89d442cb339d503abfd07eddb39e59291361a3fd00eaa4a2a0c71d86b90c4da",
    "signature": "0xa5e76e29dd499c3344aa42ecf4a0b80fb4e453f148cf16817a409cd69f373f4f4c8f98de482fc4370db7d103262b9e262b9062532c48d665fcc1682500c1832d1c",
    "signer": "0x6a1eCc7128689c85Fc7aCB2BEf73235E1C4d1B1c",
    "userId": "433876618"
  }
}