{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0x6b50a748c902e3803ae6e55fe2e189b211785f53089f35973b7fb77ae4b403cc",
    "signature": "0x100e1ea024cc9cc4df90eb40ce226e66fc71dfc0a5faa1fdc4ca38893f2e8be16c1f5f7220bb68cfec3a139489b28a94cece32f9628ac1c99df8a31361e817c21b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}