{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0x5391dbc9bdb4d9124d1dd5628384fbfda65c2576c5677ff50d3481126fab4287",
    "signature": "0xa97ba15b590fc028b595884c4b7631ad8e9878d3672ac56c870722b5083e55c96bc4fb2a9286c239bbd8f677383e5279a2a3123b99253b8954d26673ac35ed921c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}