{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x5a38b5215ecb54d21d19a9968ff5b6abfc9c2a2dfca92cbdc7f36ba017234977",
    "signature": "0xecd817f5d54b91c12d93827f89fc9b697af88c4aa1346cfff5e0cc1104a0916926f419636c78266f7d7fff076755c6add9ca0d515fabdc8a8369310808f0745f1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}