{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0e7dfeec468eed84582dbace7774011badb8a824ea5e2a632cf22d046767591e",
    "signature": "0xf794fc48c1aa772211c9325721303ce7ceecdd7dd0c89c473967ba9abcb6615938e49eeb6ee6f02bfd3b862ad580a09188e63b9cac80545e0c23b61cf2234a041b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}