{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x10d82da4be988923f3090181ef7e5c2ca90ccd39205b99b89a5540f50f4570d4",
    "signature": "0x77c056bb5458fac119aed460f68b1646fa8952bb93327eec72a4764ef4558145734d7f3333a46660cfcd30600a903d8098bc04f16740e2757a0186e80cd110581c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}