{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x32f15482c009d199f5193d2a5d9aa90cc6a65dbdaa0a47e291c97c83b5e2324a",
    "signature": "0x4e104154b4cea4a34cc22d6a6c6654ef6626175c7c86219cec63be2b23e93d3345aa3fa2494c5dc82334fec66ec130aad9035bc1d94e40a1133d1b9fb7d990b61b",
    "signer": "0x48997477d821e30d3Fa835d1Ee7809B3253Cb100",
    "userId": "75085"
  }
}