{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x986d75ee18b024ce75ce0d24baf269c3c8010ce0a2cc4738296098518b054aab",
    "signature": "0xb7fb8107806f85da4f8ccde22cdfa79efccf2387ed93dc9f59db0465d4578d03388062470bee56e3ed21bdd8cc2f6a8759c16514197ee365aa83f24dde9f11131c",
    "signer": "0xd8aC2321BE15582EaDaD83C073cE7036F1A77634",
    "userId": "165663961"
  }
}