{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0x8dee3d0c1032a0afad7addf03ca7cc29504390aa70e69b8e6db0eae915cc205e",
    "signature": "0xb2cca1216e6482f31af59efc20d7eabc4329ee0bf4d066fd72d45919f02c96b76a802ff5dbb9c93e6ad65bae33359bec00f2601804806ba4298b51173acc479c1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}