{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164216",
    "entityType": "User",
    "nonce": "0xb8ce8a40640c643a18588883d26a06f635b0be87e29ee70bbbc1b3e7205688ca",
    "signature": "0x5389082d8589f4420058003e7b1ffbd7286ed46b23f7b39d821c37f3e998f7ad7554195870362397dec7c3b6a1bc6798f15976bd2ebc2d5fdf97153a8007f9001c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}