{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893863695",
    "entityType": "User",
    "nonce": "0x5a78a4b028010bf6eb59a1d4a3f3ba58b5839269d19d698db7a54a0d9ce87b44",
    "signature": "0x10cb16889775ece87bab94ef3750e3eda415192ad32e05984faddcdab0e4dff14fff1c2c89295b3a331032ab4da102018f6571142280c0ee77dc75f42c2d9cd51c",
    "signer": "0x70b7c172C22ca6f528F9B205cff3E32D9D6cE7dC",
    "userId": "396607"
  }
}