{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0x92fc5ccbb873675c9410c5c56a821185b8ef984fb93d39a71e31fe631f7e8f84",
    "signature": "0x9b920521cc8b799e1db2f0348ab790595f31ffc19b949d92e09ed96cc4ccbc7222e90390632fe10637c45864e607ed5a1b24b0b4f36663aae2249037e8fa7f5b1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}