{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x3a99c410593d014e08b6f0e0e29324119feef06d2fc6b07a19dbfc10ada4fc40",
    "signature": "0x5cabc785c67c4aef75e2136e4a42681d7fa08d01d9c48b48a64f927a8b39e40d05b2b9fa313fb85113d36d7f6078e5e6c3db7e68b52cb9ba2ccb9d67da45e8041c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}