{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xc2bbddc5d7e90fe84fc595337167582f42feb90e8e4f9b56ca6f2cf58e5a01be",
    "signature": "0xe8834583bbc2d8d746735f6ec991171ba4bc50698b039068d01435b8da0fe00835c418b186a25f1fc778ad432bd137520a958ba14c6dac612a0197cbb1c928b01b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}