{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232924",
    "entityType": "User",
    "nonce": "0xa40f173e2062c7567a00e4938de0e4bee7e3b808110c64c7a7ee275822d0456d",
    "signature": "0xad7294eecf4145d76be8dbea599de07b3c48166c3742fa13d3e087b247d1eeb00f26f46f96ca842e3c6ddf1fd4755a60572287543001e7f9e551f683d5548ff51b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}