{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33d8ab4b46f191a3779a12e822c352193aa6615c8505f16837a11686098f6034",
    "signature": "0x8b0c4d6cebbb76d152c39cdd8280ac191f2012616889ef1e664c7fc92491775903a671906327ee016a368fb4386c1043f9e9be551f3bddfc3edc8770a1ea27371c",
    "signer": "0x84c8b20E76e439179a558aDd6B4A07604c92D092",
    "userId": "385048065"
  }
}