{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885008",
    "entityType": "User",
    "nonce": "0x17c65a0a56b0d9c240d65238edca9faed738ee46bbdf6edcb015e8ccf1b9f799",
    "signature": "0xee28f0a846f3cb6623f370ab96d844c8a095f0ce932aa10a1ffc0d29d5159134208db3aa49f0a77b0c20966dfbee979554a3b99b595ebc40cb86d4c2cd844a771c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}