{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xa6c3c6602958a8ab4dc9dbb2ab8e0850bd1f6dbab9fdd46442a5f92957ef3dd6",
    "signature": "0x707ada722d2e11fd37129733d219e73710f556e6b256a59035075a080797c27e72b0ecaf22562d260487110def509d4e1aec534a301b45d5c933bec48a524c6c1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}