{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394061",
    "entityType": "User",
    "nonce": "0x084ded3a9d7acc44ba7c9d81a72cc16f34cba5ae3a67a4c56e81ae6c019a5a49",
    "signature": "0x5a08b5a299e25196ccd38d6b195c592e031cc702e360c442e4c1975d9ae66bf7490892668f40b8ca8982fb8ee8ae859d8cf04d373bdc1189bb37c3cf9d02a1721b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}