{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917127173",
    "entityType": "User",
    "nonce": "0x66bbd20713ab053bf03360413daecda6360574374340a5157ba457ce9fc6133a",
    "signature": "0x3f2fa1655f9bf2f22c164e0addf0abc7a76475330781856d0c3141f15face21c7e98c480014b7d30a73e42edfe8c9d20e15031b3b13996f5de35f5044246e5031c",
    "signer": "0xE020146C7aCDba5DC9524606CE182F8A3c1BAF36",
    "userId": "294330"
  }
}