{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175747",
    "entityType": "User",
    "nonce": "0x7082f075da82e2e486a2f0cccbcec75c58230513099a1cfe1e6ea217aad9f3a5",
    "signature": "0xa80ccb98ddf910de7afa38a9af5a3fa907ae10b3757d63078c095150b9463908310c594dc9ad5ab3d270958ed30a47b546f4247a24811052ed2b93ca6d8eab501b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}