{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xb408ffe9d5ca388a7274c7ef8c9d775d2d2290917f29f363b9c1d02b88774789",
    "signature": "0x9439aa0f3e29df23ae1322ef2d8afad5f7bdf3fd6f26a307697d5e8c322671c24743d4a502ff74b4e217d7bca840cc156c6196340f2cc113241f76ebb4e247571c",
    "signer": "0x8D6829429c8794381a8c3bA2E4f15F99e5C119d4",
    "userId": "152462878"
  }
}