{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105564197",
    "entityType": "User",
    "nonce": "0xb73f7422f9da8d8c42600ca8795f1e066e1f4f92d264a0c534c473db61442c9c",
    "signature": "0xa7f816b376fc96db57f883bfdd58eaafa0456ccfbdd1ea012a134646d467db7038fc0e8c5d78499af04b37d69c31d3c9c893c1f9f4e696f5f22b7b9fba48d0391c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}