{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x5583b01b026c62c965b8942c190572710d9ee257a95b8f6b5187a25fe0d072a7",
    "signature": "0x8c09149f7be7955469024748bf9ed9526e0f4ea78092fc85d3ba9180dc6c200c0b2c854784e565a68a489f88cf94f62f8865e14de3651e71695e64159492c7741c",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}