{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823590972",
    "entityType": "User",
    "nonce": "0x8b2a8222bbf7f85615851293123cdb0cf597ddf2fa8940f1a20857be897021f8",
    "signature": "0x22a5f50e4dfddf9157c07bcbc6491f525c0b74acc1d354cb788b8806dab1b6d522974489c1dc67a77f24d4960ef02dbbc15132bfecfd33c2adc31021ec51fa231b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}