{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988934176",
    "entityType": "User",
    "nonce": "0x111fe93d6bda23c899f9fc088f8a0223b2933b6119a07fd998d4a0baf2c208bf",
    "signature": "0x04ce5ccceda062e16b0d6067f40de844f99c64ff255666265675498b43c7d86d447ecb5b345d6eb4382687d7be16f468bb3e1fc023eb419e8cec317789cb57bc1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}