{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x156699bcb0f3b81953685a81977527bad275a48c7781d3016ab6e07515599ad8",
    "signature": "0xa640e5ed1e13b9f8c1ff347cfa3a2a78a959a88444e0d2795a96dc209d1c8e466249a867f23f303f474a6ecc16b0d0ccb51078e1b9444b42afd43cb8483ea8ad1b",
    "signer": "0xf399Ef3A18BD7C0De206619229371a9f28c8D86b",
    "userId": "900416093"
  }
}