{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991821949",
    "entityType": "User",
    "nonce": "0xbe1bcfcc53275d2bbd96f405cf912ec2c46349197231a1231f645e8e6832e804",
    "signature": "0x35b33c6e75541fe2e9edad8dd06b0fbb0b878799af5508acc55c7db76a3410b32d43c213ea40d3258cd1d4008e8c6ff75b1f02ccf41e07c31633dd94cadc433f1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}