{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x479fcc5e7232125815dc9d26fe12a52c92d66f1b566208d09fa2348ef4c4fb5b",
    "signature": "0x22d48d6758c59fb282878e10dd660343d8f3e74a4a9556157c4833968f4a4d4118e6585edfb299efb2e5029a4be64751b6f3cb3a9fdec74e2d9906d207a1249d1c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}