{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xecdc628144aa2e8d5640c91a7af87eeee1dfaab0c8af2d014b520db6a0434491",
    "signature": "0xe25997e831530d64419cc27a0a7501780b034982080dc2dfab8f8050e3a7819c68701ec68ef5b1c8fd8fda3ef56fc30fd7c438bb0302e80727b13ec2e78b0b771b",
    "signer": "0x84C613ED41323EeCe86518c76e016D159Ab92987",
    "userId": "526151937"
  }
}