{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x2e85ca00fdabf05dc29fee09aa35d2e5f9c845cce6406ff3d75e4934aaff0dd7",
    "signature": "0x78b83955b67ff2515b4c9793d435894061b09171fe1fe3aa0ed851b5e96be06b226bde3c8b8f9a8c25e7ece8f0258902cd8e6347660f8b07c112bf284db10a351b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}