{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353549514",
    "entityType": "User",
    "nonce": "0x3396a17dfa760fa55c308aee50c3d3ddefd6f7643557779f63ac1d678afaa81c",
    "signature": "0xc9aac9611e7859759fbbed988f59fba2d9ee575661e5263bc07d09345d6e4db97f0cfc0dd1b349132aadcfa34760e4d0feb4169ffa41907757b54855385cbae31c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}