{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61223",
    "entityType": "User",
    "nonce": "0x8704f0cb38038c1ec9238a2a9d0cc9008f0be72cb783cf522ac7c697c150417c",
    "signature": "0xa84d0be0f8430e4ecc1a029e458704e2f526447b5d860a31bac84f5b17dd7a1f58921988b11410b92a497256bcedc557ff5e86be153a7c2f55c4691ef0c48e891c",
    "signer": "0xCCe749020E45FB96926be24f94FFA5f35e955e66",
    "userId": "810833505"
  }
}