{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1432489",
    "entityType": "User",
    "nonce": "0xe0ed016bb10f7525e7eed0556e3df3daf20cb39773f50d276324db2a43a235e8",
    "signature": "0xe9e3e8b31c45855c8c29cc7d7d85d1af276573823cbecb879661753733ce83a24e704082e2559911f27cb8cb9b676bec493577ce8b32301bbddcae9fc3f086e61b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}