{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9416",
    "entityType": "User",
    "nonce": "0x927f60a26ee6f08d6c6ed0f2a0616c966a550ac1d3c6ec5d6acaffd0e2403dd7",
    "signature": "0xfe6047cd16209ff5f6525569eb430e886aaaac67dcf0e7c208bf4a5d15b12f49031badec3aece764c63d40db8ea2df903e22da23e713117863b724e7919d494f1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}