{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880649",
    "entityType": "User",
    "nonce": "0x96cb32b48917e3ff78299b7d37567746d25c7531a5d67dd15b0e71a3a6b48952",
    "signature": "0x5f1111e5979ecfed39cef4dd122b8eee234dfc6948bb6df4d5282701422b56c145d0c4967cb829ed9f4704dee0a18b128fe4fb64816d936685fc09005f7577411c",
    "signer": "0x98aBF46FA2fe7ef0A664A4eaab55671972B9075a",
    "userId": "244050891"
  }
}