{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xefd6c33549c68396462345518e11996bc45cfe61bfab6c7d99eb3d2a79021115",
    "signature": "0x39a05bf9d77384fbe63007dc452ca611c33ca1f36cc60765bc1ce1c9930aac6175a45c4d94bdaebc51eebbcc65798e844ca118f1c72ee1b5a0560754dedd59301b",
    "signer": "0x776Df7F295Ed74DC9C0544Fda72e8629aB86Cdab",
    "userId": "6600295"
  }
}