{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314842",
    "entityType": "User",
    "nonce": "0x82e703d485426de98f6fd7578f47d5a39bec003982629089e79154cc0a40079b",
    "signature": "0xd2517c0126276024cbdb54244ae37e3c26e1da74bbf1e7a50a7839d0924b97f86b1ed8fa77413456facbf91cf71a0d046e29fbc057bf23fc84a8af27d37ac5541c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}