{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x97654262bdac027e754416e55fe78da44c64e081a98a99431e1429bcd465c761",
    "signature": "0x734e73d57a3320531335527d73d76266c13c306560910e45a01401196f3200a05599dcfc6028a2a654f6edae07757eb113e8b45c85e7cc37128f02db3d49b1a01c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}