{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x508d02f7e6d3d3cda9052c5a72166a1a1c65b182a73fd3173fbf5703d28eb651",
    "signature": "0x9a37a591714963e32011e47bab8940f01d46683300ea3f600ca032dad2a668633cdcea5703079548b412497808dfb13b2d433d76caa7e1091b8d6a0dd61eba511c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}