{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134529",
    "entityType": "User",
    "nonce": "0x2070880b5797f40706d9d3e7380cd18f12d00b3ee09a0d341b1626de1e77c23b",
    "signature": "0x2d8a988b1a04758af20ac6ea4774114cdf2421590fcb3931f011f29604931868380e17d754f752d69281d309b2f3140841d1a437f66e1869a68459ef016707cc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}