{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x393a7e89670eea2f27cc3a0ed9175b8545193c4ac0b740aea0f9168b2a90543e",
    "signature": "0x2e6bbc2c11c4d880b1ca5f44c2256a6fc0953d1b98d92e61a9a4beb23e8c45716dc6d140362de7ece3ca1b69a8716fb2039f0b8938fcccec974c8e6164c2a2d61b",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}