{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950478625",
    "entityType": "User",
    "nonce": "0x10a259bc8ca9aba0d6c5c22929cacdbcbecbcc5419232dee28e8d28c43ee71c9",
    "signature": "0xd26e733ce078e53cbe8c945d21906e66373fa1af48ffa05b10b2b85aeeef90ae2291559a81b6cc2fac6c559dd98753977e686ee874905be666ca7d5e2d4570721b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}