{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295399",
    "entityType": "User",
    "nonce": "0x61c43664f5a8c6a75030da342ac6c2742b0cdbf98cb89a846fcd67410f25e677",
    "signature": "0x9d8132c3cd1eb3833b3959e5f120c7429346853a49a205cbfc4f9c0da53500f04e6324e8e136b1405bde87bc5d53e5559d281482dac2189bc1bc4a6e8354dee41c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}