{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59860",
    "entityType": "User",
    "nonce": "0x69af843f2356374d16bf7f4ebe0d296ca9994c2edac8b1c6bd0871a57d92876d",
    "signature": "0x63932c724bace3d979a13ea97e4d690064ffa7c02ccf1654ddefc9e0ff6d11cd377031fb8bca25a3100df4e8f0d14022ec960e990bb0fe956f20262f94e69bbd1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}