{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x7d0173f83378fd4d9886a00312347b1333a4166a5d3b7fd58cf7d61ec60e260a",
    "signature": "0xd007944f1315178c12774ff18559ee6e1de34501addd1085c4b323d713e2b25f70daae8eb59a77852476bcadd2770b226d3d464463c973ac6a4165a7d4b256301c",
    "signer": "0xF356CfF3605e01f024ed894Fb7163a0c2391c70d",
    "userId": "903373982"
  }
}