{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11204",
    "entityType": "User",
    "nonce": "0xff316b8cf605ef93789340ca773fd865f98e245012cb55b627d7d3af7a8ba9c0",
    "signature": "0xb7b7db2b9613f9e84f598a4e4520dfb6f4299b696e330b1841c0c6038eeca6637d7c5b6d45cdfabbec273b1c9d0501d2772adaa4cbd28f1a979bc49e0fa3f22a1b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}