{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27975",
    "entityType": "User",
    "nonce": "0x0888c87ba9ddac3d69ba0807c21442321c0ab5c5c149e7fab314452c616426d0",
    "signature": "0x63e4e0495972129a3cf68a3c7bc8a99af409a4a115dfcc9b3b7f20fa7aba296838ee4c0dedc03a1dbab822381c175d2550f69cc42ba21541517cc8695fbd83f21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}