{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22571",
    "entityType": "User",
    "nonce": "0x8f14fa239f40e31cfe8c89456bac88ef76d5ad72163abe19d0324864c55f9d40",
    "signature": "0xabfd240b26aa6029892d5e0e5d7b29ee59bc22c4ec6c7e49a302bb5db0ddc44f70fbd576b06c896d810db89a1f9fb962b226ee8d3bf1b144b81c2205f6ee19e81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}