{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153928",
    "entityType": "User",
    "nonce": "0xdbd09de9dc50731be084b1295f450ff439473de9d795197a6f974531c611da76",
    "signature": "0xe419f2f554553c8d0fe176c1fc9c6afbb0b5b45e1cd00582b6bb8b6875287e3f5b3da79a75937050f5416ea328adb78ea5dc564d6069064d7668b033bbb9da281c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}