{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf55d7a7f63542cd44dc9c3e3b6535a6631a9f307dfae7851d091778bded27259",
    "signature": "0x08abe1503f2be58fe0a83431e05dc32fb00b935197674e705d8adf81e86916677b94b6c83aad8a463196f1cadca6015fd8bb25851dce484fdc3301352ca9429c1c",
    "signer": "0x5388b29aBE40A620BD30d0ac8b92cC916EaCe315",
    "userId": "80592997"
  }
}