{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4cd86f021116ec89d535e856422bd19fd205ee9afb7412e5d67621b753240bc9",
    "signature": "0x37b34625b9a7b58afc8df851372e040eea4949f6f7dde7079c9630b07fe0490b582f56bbcee9aab2f555da895d458c2dc910a00d6ff3517b202755d18d88d4041c",
    "signer": "0x597338d86Eb5c539F4678517C3412D367F636844",
    "userId": "589368336"
  }
}