{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x595209dc3f9a3dcdaf66d5789c30ba0a962888bd90d6275ea634f69b9ff7e1af",
    "signature": "0x6b6f4ddc2a7b8f55cb94864f3f92dc7585f148c597c40628391a92a5d3e7a2447ad6b252baf2284f547617227dc3cfe570089c3d9e0b73c15660b1e382780da41b",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}