{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x7e8eedbd649f0f73caf55e427d2e4598572aa6d3f7037437d35f87451ea23c7c",
    "signature": "0xe34e1590b65ceeb5f83e01684dcc4aa50864e47597d492ee702b0dce6f7530fd26345a2c15be287f5e2d9cd84981584368927ba39023fc0c54fab761522b472b1b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}