{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134623867",
    "entityType": "User",
    "nonce": "0x8ac9a8b16b6d0056738b618223d9f19f8aa129b900bf0650d9fb7d5397f7e67b",
    "signature": "0x556dfc849299b31c4f52b0de830fa21aed349065ecee45046edeb8cd888556c335f819d7f6f0d0952afa7fb1fda72bb7a79e6e4c49abc4b634b612ff0a1bf6051b",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}