{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa5e3d46fbdf8eb529b12f199aca3d6375e9d81020af35c45056481ab30862cdc",
    "signature": "0xda257caf76e951387d8c1271f27bfc9920ab1b9eb1f095f90ee54e90a3bade2820a371cbc330a9a3ac1477469370e557f461cc7b3cbe6caf7f98a30f3c7b73881c",
    "signer": "0xE319b8e64EFa56bAC1ce42cb8A54D8B3ac1fe34B",
    "userId": "130115435"
  }
}