{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6295e2a1ca547d31ab975ced20e4d3e42428904da7d2197cf7538845613540f6",
    "signature": "0x8d223583de01e712e18f9961954511ce6150bdef2151b2756de44427bb39caf81785bee1491f2972e152c9c5ef6b0035f56336d1132e66f7ca2a6d03ad9d467b1c",
    "signer": "0x03828E58765a33C99b5b95Ac04b566b65d4aa282",
    "userId": "353670164"
  }
}