{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0xd741ca0c90319e76db21ade92d48441865009eddfe75dd39ac7b8acd94d3cf98",
    "signature": "0x9b14f762828aaa8fae1c089ab3e34fcbbcd645ae89b3321e5f0f47d9aed680cf2084600fea833a701fdd70ae24b4a29406224b7b75d79cb03dd22a31d8c32ac11b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}