{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xf1f02b9ee2b4ce82d0b5a96baf483fe43a39617b639f15925700d8143f4304f5",
    "signature": "0xb34ff92efb25c2b0f65debab9a45a44f92d69db3bd75b032fec4297968233e5c0f813838007196208a369587c07c9da369a778e043c096c053ed718e473d845e1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}