{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155986",
    "entityType": "User",
    "nonce": "0x66228e187e824a864d72b0542c3abbdd07d10a08130af24875f4ece790d0ca2f",
    "signature": "0x6c2a144653346c658a4e32651d0f081bbcb7a1aa7eaf202cd8ae5be045e4a6de27a65ee32c0c0f99df42ffc8745dd46cc260d8ff380580fb5f108ba241d047a11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}