{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13672",
    "entityType": "User",
    "nonce": "0xd99fb24ba83fcd9fd767fcff995f48a289b9fc257d8e28bead229aa4f5dd1c7f",
    "signature": "0x7bd6bd960465872befbf34ba3654aa8080c5f84b392a41ad31b14936b1dc8f8370005b025a865a8c1963f68543241d5dbe6919dedc1a9946a56d691a3a5a3bdd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}