{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60931",
    "entityType": "User",
    "nonce": "0x63f489479fa11f2ba577f06b1a2439ca4a9c3ba54c2c331e06faaca5db311b3d",
    "signature": "0xbae0b9212a999458af8f5c51a1043bc38c6b7aaae715e6bab0461d042dabd22b71ed17d7296a56e21ae48ce3a6989fcd4017be2d80a11d0dfbd399f98eb7e4161c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}