{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92210",
    "entityType": "User",
    "nonce": "0xbc7e13a700c909933f9d9b89438d97eebb66088680ef7efc4d9d16ee60ac1f7a",
    "signature": "0x8d2225ec0aef5a8b3c26f5e071c4a8952dbc3d5a7fa6001db2579af5c6984b7f101208abb1c19d406b0a821fd251b5eaf97b10197ba1dd9ac4f86b576dfcfff61b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}