{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xc2275c99511836183ab563702df63ac5d1ed8e6ca7aab46c4299b997dda8655d",
    "signature": "0xbe92417a337de13891aee0536bfa9bcc8e46009fd32bd7ca4657b11436bff1f6690308e201e67ba155764e31ed314b913776a7395feebf2f0f29e9e5dbadfdeb1b",
    "signer": "0x0e44cA65dF66cBB4E08D3484d9eb15F6489D1d12",
    "userId": "730273709"
  }
}