{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361667",
    "entityType": "User",
    "nonce": "0x275fe363ac11015405a2bbb003dd19f7d8b2507c502afb82d0776e3574f0b0f9",
    "signature": "0x6ad0f7fab3ad8b0c09c3d3fe367b565b764678b176970cdc1d38a8025068987970aed6cdf14678b9e2e7ea207e931fa109fb90a0ba8965782808e87879772d291b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}