{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57202",
    "entityType": "User",
    "nonce": "0xf2117d7e76d0b939da10a249ca2350444673e2a6ed2ae79b9b10873c9388bf1e",
    "signature": "0x3966d37d972966f860628663c0d03c7dc4220327d1632e74dc41c91590f33ada085b2d4cc7a6a2791a6cfb2f19bf4566daeef31c4df21431a3b7a6bf8ef303b01b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}