{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164276",
    "entityType": "User",
    "nonce": "0x8960c15836f30e05851655417922da864c6daf68913ee89a0dbed3866c638158",
    "signature": "0xba3d0302b2baf679bfd18ee8f22d06030f3265106264ab68d99cacd95dd5e92b16cff7ab9a26eb1b735fc03685d8a8f7d1004d5feeacc34c01e0532cd9a87f481b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}