{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x52825297a7e56cc57537d75be6a121355674be36a40bf6798ad22843c13f2810",
    "signature": "0xc773a119ee83b8c89d081d80b9bf56aa3873f44c8cfc35ecda8b193fbb81d8593a440ddb55ae4918b47d05a80574f937b28b5724058cb20585f94233cca2e9ce1c",
    "signer": "0x045f3ff2A6ac0332f4f6288E35B9d3d1Ae169354",
    "userId": "704529763"
  }
}