{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x266c20b8ccc2844174727941fc278e79026a61888f87fcc3f6e360372955978d",
    "signature": "0x7256447dabe007f8545ec42bfb386d4abbbb0a34b8cb34b63177fe85536da4d25de2cac24a5c0b9245553d3e508891ef7f18cb47635ce7e08af76bef23b25bd81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}