{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59780",
    "entityType": "User",
    "nonce": "0x31612fb64b4afa8994b089abe3fa892d5dc7b4e5d01881a472f3e0e9f0e47383",
    "signature": "0x5119d903a7641f28365e91ea6beb4657a8622faec43c73ce9956c197ec9b3113407445bcfc135fbf4954c9245931d2a40445b1e30d09cfa0530d9020f364d6a31c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}