{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183840",
    "entityType": "User",
    "nonce": "0x895cd63d26d68fcd38be32ad83936edb5263542f1e43efe242aab24f2d36ac58",
    "signature": "0xfbcf8a9091c166823199715af5c461de0e72f6efa206da58289a2b950735a18b597066c69a3e9bb576495990425c88cc66ec2604e859d4877bff6f325f5486131c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}