{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347167",
    "entityType": "User",
    "nonce": "0x927ac7c19da17d9bd9088c8f0d6c556b724c38f98a743d764ed6299841506d29",
    "signature": "0xb5e3910c6ac289223beb2a55bcc7ab02ce16d6b77023b4b06514b47cbbc350284b3c5e61f01e5ac313e842e686e06630851bc2ad7c7ace4b8e9b7f3d5e95787a1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}