{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x0f3ed322cf38e1b96e06c1027aa96f9ee10a9b37734c5dbae4d152e342260909",
    "signature": "0x0b009b15b79fa4b255f34dba2ce25b0893dc253dcd99a66922846300e616ddf232b1b314bdeda73321753f550ff9e2fa54f34c8e04efc7b3324ca2ff95415e041b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}