{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965042984",
    "entityType": "User",
    "nonce": "0x0b31ae84958a30d8c00caca034529d06bd5604ca0d3c0749429de13c8cf82b26",
    "signature": "0x2f8d26bbc51519a3ea5652a4a18d6338b3a10b5e23e48e93fd7e6424b8842e6a2d309fb656ebf9176c39e6ec0e2ff3918a2664f815c84a25a3e7d23e5ee58b6d1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}