{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x3c1e88fa7d39b660ae1ae6cbc75d55f05c09e6264f31ed05426a9da32697be95",
    "signature": "0x561ada89a2bce6364f037edfd80bc7c47f3df9626a556c3ef95e9f4392585afd452111f4382be7f7a691aef558df512ebde806d8e7eca356fc87302fa20955d81b",
    "signer": "0x8a417A9AEAf146E3136a487b2F098b49b74b7842",
    "userId": "862983276"
  }
}