{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381084983",
    "entityType": "User",
    "nonce": "0x46144fa58a8c654666e0de3243e2a6c4e53dae9a8f73648d5fd348870df35745",
    "signature": "0xf05b60c93e7fbb44a7483b2346b31fa3c13610edd6603a5879609483b25f1fe669213eae90cd3ef2a18713f38ba1d6a59d069c19f2e3aeff95ce7859879d4c931b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}