{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11f56d29f82df702f90880b500fda6facb2c278752d4fe36db8dcae1af8eebb8",
    "signature": "0xbc45f14898d8ee04b1d6cadafb97ee4c66bd4f7aec22686ca5c47b7331f6f0590adaaa1f76cce0672788a3232aa3c5a851500d33e973741a8de602a07b2bbeee1c",
    "signer": "0x8141F8cFCc12f88E3a24549a825Fd1Ae77fB7e00",
    "userId": "214033353"
  }
}