{
"manageEntity": {
"action": "Subscribe",
"entityId": "51",
"entityType": "User",
"nonce": "0xa8f70e20237027d1821e929a79c385260af1f3069cd75a746aca32f537c3640e",
"signature": "0x2ef260bd636abcecd2945fc3352688fdb7041f9c9eb9ebf7da7527bfe4b0190b0ea9ba105e85116f0420eefbfbe07b5c01178fd107216d0f791bd4482350434e1b",
"signer": "0xB83d41e0608769A4E6de67fd6E42DC5386b98eae",
"userId": "871486785"
}
}