{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc4aebce3e9fc4572e6b6bd5c06d9796ecf5009d8bb2ec23404e55ce1da80a95",
    "signature": "0x092e907c8131d5864f048468a4728ab49804127bd7e3f6efee59923bb9f92f6b1e5255f55faf8db010906da3cd4f65b4ff10a0afb682a27dffe4ab931dc3f3191b",
    "signer": "0x88f32c3cEB2a2cFdA5D449ECe4cd51DF1D6c09D3",
    "userId": "858635686"
  }
}