{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x1d844e5981262080490d301e965b7373b3003098b7ac67f88ffd3a2bc1b783ed",
    "signature": "0x3f55d5a26e4e310ccbfb6c334b0072fa4770c3ceb1966da97cd9546ade941b4001dd68e28c8f594506c7f915e73954222b27d540be9de166a0bd76cb766d73951c",
    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
    "userId": "875856435"
  }
}