{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73402",
    "entityType": "User",
    "nonce": "0xaa7235c0e7056237bdc36aeeca713f91c8222d3782c72d68678d6b673b0869af",
    "signature": "0x92b6ebb021423b74422eac51ed2003e44ba511af11557f176d2db52d5fed37fa6a7695f90904632b765ca276297f9c720a5d8f4501d9ad1ae9e9557687159aab1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}