{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155033",
    "entityType": "User",
    "nonce": "0xecae628c341c3fd8a432395b93b0729ff99994e4b899bf1156b36f4c2f78d538",
    "signature": "0xf4163de73e99d069ac21005133af0223098d0f986738148793117b9cf4dc5edc0ec543ed29a607b4e4abc67a6fb31d7dac75d8349b059a756434e2c0b878cd5b1b",
    "signer": "0xF51BBf2D093bbC94555bc2299Ae53Ce8F7963374",
    "userId": "38277"
  }
}