{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x30c939c8307dbe31a31a71091f4865e06a0a33baf68da13bbee1b526b02a0a9c",
    "signature": "0x1824d6a651cb9f155ed6d0e4e71c9674083f20c8e24f535762f64f3632e7f3fa28b3f7bf91a73aa3f6ced607ca17189ab5dab6cb1fbeecb9ef83b1e5dc5c68501b",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}