{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x686e85bde24257c78ad69545ae191d7028dd49387267523e8ab5cb406e04d176",
    "signature": "0x87a3defdd19d0480f6ed613e9cea6851858bfc3597c36660c563e76f581597eb3203f6a6dc2f69402b5e443f4b62a694cbe4a315654c89732fdd9ea894a087891c",
    "signer": "0xA8ed6Acb928a57f834e1bc48f1e0E8547115a161",
    "userId": "834939511"
  }
}