{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218114",
    "entityType": "User",
    "nonce": "0x2ad693d57f0f25e61701b2e68400cba059b321468cd3fa0c1ce878757f7bd84a",
    "signature": "0x5ecb29fd928f75dd99374da7ebd78be39d902a12388bec05d752ec3a75eef51f44ff546fff0ac7f7e7228838898a66f90f7a11482ce954098acfe7535eba87e11c",
    "signer": "0x15bd1aCC8c18c6F3BdC38130eF5A5A5c55FF3D4b",
    "userId": "417582534"
  }
}