{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3b5b60961f8d8b3bd3b4de7e11701398cd2c66831c5493302464d04c01928861",
    "signature": "0xcf19ffa41ded003c91156ef44dc0f5b3251a99f27b53c8917bc2be5dcbccbce5377594dbba1628890df16d331433db8d6b4ff19b360ed3b2b529d787bb4f9b9c1b",
    "signer": "0xdf934a61baf77B88f04Af4510c2cd594471F5FA8",
    "userId": "24180341"
  }
}