{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "629337",
    "entityType": "User",
    "nonce": "0x0b23497b5694ed77ada6d4744447a7aa784e381232f050e24548a6041fba86df",
    "signature": "0x4d46f71bd0a7fddb6e5025077540ffe1501d4a0c11b6c0e14b2535c4387241ab2cb6b5f84dccaadc38993870105fc5e5468ec5b5ddccf4919ebe903bef4c98c11c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}