{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77084572",
    "entityType": "User",
    "nonce": "0x60e399cecb5c4d40ffebb639b3eaf4bc1cbcb42ea6e409d5cb0a0f5b0ec3d861",
    "signature": "0x98704726ecfcb1f5ffbc1fb1a8ff79059b91a79e28a395fa84936e35434afbdb66824cffd6f74ca2f9a1c4019f8067d080632b534b1b82c3af885062578e00361c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}