{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x92eebc9ccfc622424793a3140b2e92ebb8b016744f743b7f834f3ee32a30a11e",
    "signature": "0x4df63c6f88cd9bca289c13f49df3fdf2695e39af75009089434ee72396a8ef51356c7613441c81e993d66ea22316a0c56a2eb6c2717bff33192e9fdc7d17d1681b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}