{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xf175fdd375297f46e8e5f29412ce9edfdd9fc42faf6678ad0abf5cea89c307bd",
    "signature": "0x847fb88cfc718fc9b1b86ad088427ea2452d921817b4b51e66d674a2589f252b727f6aa3dafa8e9a824e0c306c3c1a9cc6646a0aef0bb12952b714fd93729b001b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}