{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144895",
    "entityType": "User",
    "nonce": "0x64fc1f7998d6898ecb519422c4d0647b0e25b91a46c91dab56fc5aef84f57a94",
    "signature": "0xca471c9d0e8716555294b0f568a993ee1647eb45cf63a4ae1f3d13db373588ba4e69ce2e3dc1520a2df27c67e6012c3b3a3eb5c4f3b34bc38e346cd05707cf781b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}