{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632120348",
    "entityType": "User",
    "nonce": "0xfbb4f6a677c91467565c06e7fbcadf31833f7703fc37a2fd9a42e14b4335daee",
    "signature": "0x05cfb3319bb05ab236041c2d45f009eb10693e1e837bbb9230eef3e775d0998745afb5a5323e98c1cc6fc099b029842cf33ce820258c48a963a00af1706d59181b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}