{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142185",
    "entityType": "User",
    "nonce": "0x361579b243b2fd3efee4f2c1f95945e4f952c509caf77a5a5073b9e6b16ac97c",
    "signature": "0x62164f6b032859da83d8a8eb34b7918b5122ba4bfacd94e6a993915e5b2747b5078af36766d538684d0e4dfb5866fbd96b1e96c169fd4898857e5f90f7bbc5861c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}