{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41226",
    "entityType": "User",
    "nonce": "0x45b9dd9ed91850320c82d122dfa83b0cbfe8ac7bdab2bb63fbffe2a885760461",
    "signature": "0x99c52ebedbd0c047ea64564e712c1da7bb62a11715d49ecb6b792e71682e4a7d3b21c7e93e9692a62b9392c7959a30cdf428b39ac212d0256134489faea0dd8e1b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}