{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85642",
    "entityType": "User",
    "nonce": "0x9efc384c3687501f29d552c3ff037a88dd074104e2869c533adcee4bb83e1407",
    "signature": "0x14b5f0e4d87e52f335f29461fbeeb35cd99f0a7d20b3e85fd2549fa01c3ecf3367fb46df7cba2408a1ff451be2476ab0994656c3d28dd5805622cd9bc61d60561c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}