{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x2b5b3f88e9ebc56946813c9a01e10eccade8c40c68beadead5dfe81e29335e43",
    "signature": "0xa438762db9af2c9405dc629630e8156cd3674eae50bf605a89c4befd4a4010bd36159d720982a855eb4b0e12b34e58f3a7559a37083f8ec09d5901b6f03c96661b",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}