{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa91289c5a8985aa9ab69bcd94d03167b41902a2bf4e6ac851bda8a97a3681e03",
    "signature": "0x95b7a78029f17d94439758ffe91746c7857fc04e190efad151328feb6c09318e36d7d6def6cd875f3748fedbf1d44c91a7dd8987a8e891f2411ae073d89b668e1c",
    "signer": "0x0DA81955e67310452357074d6ee39703c163B4B3",
    "userId": "122499259"
  }
}