{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318437",
    "entityType": "User",
    "nonce": "0x97c505192fcb6e2c3aefd379b3fd3906889293bb6034f13fd14c511e3a971ebd",
    "signature": "0x8ae81eb1ef3115753994047ebd4513769b29df149b95dcf95bc90ece93badb286f50190c18432bcd33f679138439506ea331ea4f0fdce85703c8c68997f500031c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}