{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987917854",
    "entityType": "User",
    "nonce": "0x2d55c68463e37ca8a2483c23eac1bc82efcba970d1d5b58393251811882f90d9",
    "signature": "0x4318746827a87c5193f6a16be1baec916c82d2bfc06b5e43938d74512a0b5bf04d7075ac729187241594fb9469ad69ff3198c9ed07ae30858219c22594925eeb1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}