{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x9ac7db99f5abbde71a62abdeb5f9667845515dce7c1edbac00045ae449e226ac",
    "signature": "0xcb3d9d5390cd341fca15b55f2ba5489310c80a1a5d3e628eca939cfe8e7319aa13f957647affaf0bccbd606cbae4015e9746cfa0f2b73b7df176b6f4323416c81c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}