{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261954",
    "entityType": "User",
    "nonce": "0x1f0a32c97945241b4e818d3b1349cdb6d804b1ccb4aa725b559f94d634beafcd",
    "signature": "0xc4a4e2efd052fb0a620bdb98f3d8b668404e781d46d5fb0ee4979a2102818eae0bf1e53a3ce069295597d006c9fb32cb6848d19f244ff7a8692425ba75b861221c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}