{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175162",
    "entityType": "User",
    "nonce": "0x1ebc97c6af1c9bb3b28ecbe38abda02164a3b485bb6c2331c08e3e68567279cd",
    "signature": "0x7278f12637bde640515928ac3b55b2746d0d0cf4ea214feca95da2942f659f4221f38aecc0c70575644de3b67ea957ec1c89971803967131969f662dde595a6a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}