{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xadf77aaca838e8f6a40a4f164e747f30fe1408352d3061fa10fc2611f650465d",
    "signature": "0xcd2463f253c904af941308de7a6ba5c8f5384510657f6e9789d5416bdb0400d4775bde5df52b8b47d31c8d3217bb40c167bc41e57535c89f73ef5681bf7742541b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}