{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52304",
    "entityType": "User",
    "nonce": "0x01e5a7cf09f06853d7404304eab4cfc5df65af829f315896743d6148789bfa77",
    "signature": "0x5c088059a557381d11776c1a291dd88605eddac87a6487b75cad4cbbd0c849bf4a26be685fc21191c06b77f735a2b8c102bb1ac7801296450f2a933b2f6db7b91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}