{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168896",
    "entityType": "User",
    "nonce": "0x304f04743ba15e5f6be95c88ad7e283daa60d3300b6ce25f67ece80384348412",
    "signature": "0x296d15f2535160fb0b7d3f2803b582f2f1141f82a3cb078a7c33a2c6b6e6e6345d027b155e9b0909abac8203a5d21805ec2c1381db45d5c213fe1295e9b8e7c31c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}