{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1948867",
    "entityType": "User",
    "nonce": "0x67a986d6e64cffaf13d7297cb49303d38ce0402c8d4bf15c791796d59a943b65",
    "signature": "0x546d6d878803bc1cffef2e96cb91db6089ebb8ebd353e305305a17163917a1156c19849515e3edc5f9d62b1f106cb7693e017a5277fb731c98104a2267e7daba1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}