{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967172",
    "entityType": "User",
    "nonce": "0x67f863549cb769fcd62d1e52bc63713051eb949e4931e78cb2a8b801aef5edee",
    "signature": "0x563fad7fa7229e87472329da5f1a9ea0ae2d130e9f28aa60d439076f5b8c02ad638781dedd9f19eacd64a22324180ead7b0aabe51a1e07e3908905b39633b3f01b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}