{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x5ad3289b420561b94be8fc881e3ee41d29505d974bab8476fa62f3a8fc2e2b52",
    "signature": "0xfdc82857f785209e4c06ecbab8ae19ea36289b8321e439899c546f9930673d6d56b36cac16ffad9941ff7129b2e721df442d9262c046ef3105199f0a1cd47e4d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}