{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0x2552a569a12a1ba9035f0d17eae9f425148ae4063948c91cb88a1288f9a1a42e",
    "signature": "0x4e4a699c74bce246927616f980ecd13d9ef19645c04e28bf18d69263efcd87df1ef14004a3afef86577805d4edfae4a86b2e4bce11a68172189c79dedc22d7861c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}